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"enthomophthora" - 1 õppematerjal

The control of forest insects-general considerations
27
pptx

The control of forest insects: general considerations

woodpecker Rodents Certain small mammals may be quite important as enemies of insects. Squirrel Chipmunk Fungus, Bacterial and Other Diseases of Insects Certain fungi and bacteria attack and kill insects. Isaria Farinosa 60% of the larvae was destroyed by artificially infesting them with Enthomophthora aulicae THE CONTROL OF DEFOLIATORS Mechanical Methods Chemical Methods Mechanical Methods Hand picking ­ destroying the insects by hand is the most direct method of control. Banding ­ placing of bands or barriers around tree trunks is a method of control effective against a few types of insects, like caterpillars Cotton Batting ­ a strip of cotton batting is placed around the tree trunk at a convenient height, and the lower edge tied tightly against the trunk. Mechanical Methods

Keeled → Inglise keel
13 allalaadimist


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